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Posted to commits@nuttx.apache.org by gn...@apache.org on 2020/02/12 17:48:33 UTC
[incubator-nuttx] branch pr256 updated:
boards/arm/stm32h7/nucleo-h743zi: add pwm example configuration
This is an automated email from the ASF dual-hosted git repository.
gnutt pushed a commit to branch pr256
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
The following commit(s) were added to refs/heads/pr256 by this push:
new a5c8057 boards/arm/stm32h7/nucleo-h743zi: add pwm example configuration
a5c8057 is described below
commit a5c8057501c976438027cd0f490b560b6ab17536
Author: raiden00pl <ra...@gmail.com>
AuthorDate: Wed Feb 12 18:23:02 2020 +0100
boards/arm/stm32h7/nucleo-h743zi: add pwm example configuration
---
.../stm32h7/nucleo-h743zi/configs/pwm/defconfig | 76 ++++++++++++++
boards/arm/stm32h7/nucleo-h743zi/src/Makefile | 4 +
.../arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h | 16 +++
.../arm/stm32h7/nucleo-h743zi/src/stm32_bringup.c | 10 ++
boards/arm/stm32h7/nucleo-h743zi/src/stm32_pwm.c | 110 +++++++++++++++++++++
5 files changed, 216 insertions(+)
diff --git a/boards/arm/stm32h7/nucleo-h743zi/configs/pwm/defconfig b/boards/arm/stm32h7/nucleo-h743zi/configs/pwm/defconfig
new file mode 100644
index 0000000..df9530a
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi/configs/pwm/defconfig
@@ -0,0 +1,76 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_PS is not set
+# CONFIG_STANDARD_SERIAL is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BUILTIN=y
+CONFIG_EXAMPLES_PWM=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_MAX_TASKS=16
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_MM_REGIONS=3
+CONFIG_NFILE_DESCRIPTORS=8
+CONFIG_NFILE_STREAMS=8
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_MQ_MSGS=4
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_PREALLOC_WDOGS=4
+CONFIG_PWM=y
+CONFIG_PWM_MULTICHAN=y
+CONFIG_PWM_NCHANNELS=4
+CONFIG_RAM_SIZE=245760
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SPI=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_STM32H7_PWM_MULTICHAN=y
+CONFIG_STM32H7_TIM1=y
+CONFIG_STM32H7_TIM1_CH1NOUT=y
+CONFIG_STM32H7_TIM1_CH1OUT=y
+CONFIG_STM32H7_TIM1_CH2NOUT=y
+CONFIG_STM32H7_TIM1_CH2OUT=y
+CONFIG_STM32H7_TIM1_CH3NOUT=y
+CONFIG_STM32H7_TIM1_CH3OUT=y
+CONFIG_STM32H7_TIM1_CH4OUT=y
+CONFIG_STM32H7_TIM1_CHANNEL1=y
+CONFIG_STM32H7_TIM1_CHANNEL2=y
+CONFIG_STM32H7_TIM1_CHANNEL3=y
+CONFIG_STM32H7_TIM1_CHANNEL4=y
+CONFIG_STM32H7_TIM1_PWM=y
+CONFIG_STM32H7_USART3=y
+CONFIG_SYSLOG_NONE=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_CXXINITIALIZE=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART3_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"
+CONFIG_WDOG_INTRESERVE=0
diff --git a/boards/arm/stm32h7/nucleo-h743zi/src/Makefile b/boards/arm/stm32h7/nucleo-h743zi/src/Makefile
index dc15fb4..a186d4e 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/src/Makefile
+++ b/boards/arm/stm32h7/nucleo-h743zi/src/Makefile
@@ -96,4 +96,8 @@ ifeq ($(CONFIG_DEV_GPIO),y)
CSRCS += stm32_gpio.c
endif
+ifeq ($(CONFIG_PWM),y)
+CSRCS += stm32_pwm.c
+endif
+
include $(TOPDIR)/boards/Board.mk
diff --git a/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h b/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h
index 6fb2354..1d38023 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h
+++ b/boards/arm/stm32h7/nucleo-h743zi/src/nucleo-h743zi.h
@@ -168,6 +168,10 @@
#define OLED_I2C_PORT 2
+/* PWM */
+
+#define NUCLEOH743ZI_PWMTIMER 1
+
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -295,4 +299,16 @@ int stm32_lsm9ds1_initialize(char *devpath);
int stm32_pca9635_initialize(void);
#endif
+/****************************************************************************
+ * Name: stm32_pwm_setup
+ *
+ * Description:
+ * Initialize PWM and register the PWM device.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_PWM
+int stm32_pwm_setup(void);
+#endif
+
#endif /* __BOARDS_ARM_STM32H7_NUCLEO_H743ZI_SRC_NUCLEO_H743ZI_H */
diff --git a/boards/arm/stm32h7/nucleo-h743zi/src/stm32_bringup.c b/boards/arm/stm32h7/nucleo-h743zi/src/stm32_bringup.c
index 3b58a43..331ea00 100644
--- a/boards/arm/stm32h7/nucleo-h743zi/src/stm32_bringup.c
+++ b/boards/arm/stm32h7/nucleo-h743zi/src/stm32_bringup.c
@@ -281,5 +281,15 @@ int stm32_bringup(void)
}
#endif /* CONFIG_CDCACM & !CONFIG_CDCACM_CONSOLE */
+#ifdef CONFIG_PWM
+ /* Initialize PWM and register the PWM device. */
+
+ ret = stm32_pwm_setup();
+ if (ret < 0)
+ {
+ syslog(LOG_ERR, "ERROR: stm32_pwm_setup() failed: %d\n", ret);
+ }
+#endif
+
return OK;
}
diff --git a/boards/arm/stm32h7/nucleo-h743zi/src/stm32_pwm.c b/boards/arm/stm32h7/nucleo-h743zi/src/stm32_pwm.c
new file mode 100644
index 0000000..b4ce847
--- /dev/null
+++ b/boards/arm/stm32h7/nucleo-h743zi/src/stm32_pwm.c
@@ -0,0 +1,110 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi/src/stm32_pwm.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/timers/pwm.h>
+#include <arch/board/board.h>
+
+#include "chip.h"
+#include "up_arch.h"
+#include "stm32_pwm.h"
+#include "nucleo-h743zi.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define OK 0
+
+/* Configuration ************************************************************/
+
+#define HAVE_PWM 1
+
+#ifndef CONFIG_PWM
+# undef HAVE_PWM
+#endif
+
+#ifndef CONFIG_STM32H7_TIM1
+# undef HAVE_PWM
+#endif
+
+#ifndef CONFIG_STM32H7_TIM1_PWM
+# undef HAVE_PWM
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_pwm_setup
+ *
+ * Description:
+ * Initialize PWM and register the PWM device.
+ *
+ ****************************************************************************/
+
+int stm32_pwm_setup(void)
+{
+#ifdef HAVE_PWM
+ static bool initialized = false;
+ struct pwm_lowerhalf_s *pwm;
+ int ret;
+
+ /* Have we already initialized? */
+
+ if (!initialized)
+ {
+ /* Get an instance of the PWM interface */
+
+ pwm = stm32_pwminitialize(NUCLEOH743ZI_PWMTIMER);
+ if (!pwm)
+ {
+ tmrerr("ERROR: Failed to get the STM32 PWM lower half\n");
+ return -ENODEV;
+ }
+
+ /* Register the PWM driver at "/dev/pwm0" */
+
+ ret = pwm_register("/dev/pwm0", pwm);
+ if (ret < 0)
+ {
+ tmrerr("ERROR: pwm_register failed: %d\n", ret);
+ return ret;
+ }
+
+ /* Now we are initialized */
+
+ initialized = true;
+ }
+
+ return OK;
+#else
+ return -ENODEV;
+#endif
+}